Gate-hinge



DAVID XVADSVORTH, JR., OF

NASHUA, NEW' HAMPSHIRE.

GATE-HINGE.

Specicaton of Letters Patent No.

To all whom it may concern:

Be it known that I, DAVID VVADswoRTH, Jr., of Nashua, in the county of Hillsboro and State of New Hampshire, have invented anew and useful or Improved Gate-Hinge, and do hereby declare the same to be fully described in the following specification and represented in the accompanying drawings, of which- Figure 1 is a top view; Fig. 2, a side elevation; Figs. 3 and 4, end views; and Fig. 5 a vertical and longitudinal section of it. Figs. 6 and 7 exhibit the hinge as opened in both directions.

The purpose of my invention is to enable a door or gate to swing horizontally either way from its normal or closed position, and to stand open when at a certain angle to such normal position and to close when at a less angle relatively thereto.

In carrying out my invention, I employ two fastening plates A, B, each being constructed with a set of screw holes a', a, a, a, by which they may be respectively secured by screws to a gate and its post or frame. The plate A, which is to be fastened to the gate is to be attached to a cam C, which extends from the plate at right angles and have the form as shown in the drawings. f' round stud or journal D, projects upward from this cam and enters a spindle or rod E, which passes through and so as to be capable of sliding freely in a. longitudinal direction in the plate B. Furthermore, the plate B, is made with a groove, F, which extends across it and receives the cam, C, as

shown in the igures. A helical spring G,

30,600, dated November 6, 1860.

encompasses the rod E, and bears not only against the plate, B, but against a pin or stud, H, extending through the rod near its rear end,

In aliixing the hinge to the gate post, a hole for the reception of the spring should be made in the said post prior to the plate B, being let into or secured thereto.

The groove F, and cam C, serve to give support to the gate and prevent its weight from breaking the connection of the journal, D, with the rod, E, and this, as well while the gate is open as when closed, or while in the act of being closed.

Vhen the gate is opened to an angle such as will carry the plate, A, against the rod, E, either as shown in Fig. 6 or as exhibited in Fig. 7, such rod will serve as a stop for the gate and the latter will be maintained open, one extreme point of the axis being directly under the axis of the rod, E, and against the plate A.

I claiml. The above described combination and arrangement oit' the fastening plates A, B, the camC, the stud D, the rod E, and the spring G, the whole constituting an improved gate hinge as explained.

2. The combination and arrangement of the groove F, with the said fastening plates, the cam, stud, rod and spring applied and made to operate together substantially as specified.

DAVID wADswoRTH, JR. [n a] Witnesses JOSEPH C. MOORE, JONATHAN WADswoRTH. 

